Consider the following cash flows:

Year	Cash Flow
0		$	19,400
1			10,400
2			9,320
3			6,900

a.	What is the NPV at a discount rate of zero percent? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)
b.	What is the NPV at a discount rate of 10 percent? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)
c.	What is the NPV at a discount rate of 20 percent? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)
d.	What is the NPV at a discount rate of 30 percent? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)